From public IRS filings
OPEN SPACE INSTITUTE LAND TRUST INC
NEW YORK, NY · Environment
Mission
A SUPPORTING ORGANIZATION OF THE OPEN SPACE INSTITUTE, INC. (OSI) THAT PROTECTS AND CONSERVES LAND.
Financials (IRS Form 990)
Total revenue
$73.1M
Total expenses
$30M
Total assets
$448.3M
Program expense ratio
80%
Source: IRS Form 990, tax year 2024.
Who funds OPEN SPACE INSTITUTE LAND TRUST INC
$34.3M in foundation grants on record from 39 funders — matched from IRS 990 grant line items. Some matches may be approximate.
| Funder | Total given | Grants |
|---|---|---|
| William Penn Foundation | $7.6M | 8 |
| Doris Duke Charitable Foundation | $5.1M | 6 |
| Knobloch Family Foundation | $4.1M | 6 |
| Open Space Institute | $3M | 1 |
| Darla Moore and Richard Rainwater Foundation | $2.7M | 2 |
| Ralph C Wilson Jr Foundation | $1.5M | 3 |
| Freedom Together Foundation | $1.2M | 2 |
| Richard King Mellon Foundation | $1.1M | 1 |
| Fidelity Foundation | $1M | 2 |
| Thomas L Kempner Jr Foundation | $953K | 2 |
Leadership
LARS ERIK KULLESEID — CFO (Principal officer)
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